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Built 2026-10-19 (19 October 2026)

Harvey 4NE Threshold Days by Year (USC00324013)

18 fixed thresholds counted per year at Harvey 4NE (USC00324013): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harvey 4NE Thresholds

  • Harvey 4NE: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2008 with 21.
  • Harvey 4NE: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1962 with 8.
  • Harvey 4NE: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 2013 with 197.
  • Harvey 4NE: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 2013 with 126.
  • 18 fixed thresholds have at least one qualifying day at Harvey 4NE.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Harvey 4NE Days per year at Harvey 4NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1988. 0204060801982: 251985: 231988: 671989: 441990: 421992: 291993: 131994: 241995: 371999: 242001: 462006: 412007: 292008: 162009: 112010: 162011: 152012: 252013: 182014: 102015: 252016: 202017: 242018: 232021: 372022: 222024: 102025: 172026: 281982198919931999200720102013201620212025
Days per year at Harvey 4NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1988.
Days at or above 30 C (86 F) per year at Harvey 4NE
YearDaysDecade average
19822539.8
19852339.8
19886739.8
19894439.8
19904228.2
19922928.2
19931328.2
19942428.2
19953728.2
19992428.2
20014628.6
20064128.6
20072928.6
20081628.6
20091128.6
20101619.6
20111519.6
20122519.6
20131819.6
20141019.6
20152519.6
20162019.6
20172419.6
20182319.6
20213722.8
20222222.8
20241022.8
20251722.8
20262822.8
First to last qualifying date each year at Harvey 4NE For each year, a bar from the first to the last day at Harvey 4NE meeting 30 C (86 F). 1982: 24 April 1982 to 10 September 19821985: 29 April 1985 to 9 August 19851988: 25 May 1988 to 14 October 19881989: 6 June 1989 to 1 October 19891990: 22 April 1990 to 25 September 19901992: 30 April 1992 to 1 October 19921993: 13 May 1993 to 24 August 19931994: 17 May 1994 to 19 September 19941995: 1 June 1995 to 5 September 19951999: 12 July 1999 to 1 September 19992001: 28 April 2001 to 5 September 20012006: 22 May 2006 to 14 September 20062007: 9 May 2007 to 29 September 20072008: 30 June 2008 to 31 August 20082009: 26 June 2009 to 19 September 20092010: 28 May 2010 to 27 August 20102011: 29 June 2011 to 5 October 20112012: 17 May 2012 to 10 September 20122013: 13 May 2013 to 6 September 20132014: 23 May 2014 to 26 September 20142015: 26 June 2015 to 10 October 20152016: 5 May 2016 to 28 August 20162017: 13 May 2017 to 11 September 20172018: 23 May 2018 to 18 August 20182021: 3 June 2021 to 5 October 20212022: 18 June 2022 to 19 September 20222024: 23 June 2024 to 28 September 20242025: 10 May 2025 to 14 August 20252026: 23 May 2026 to 24 August 202619821990199520072011201520212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Harvey 4NE meeting 30 C (86 F).
First to last qualifying date each year at Harvey 4NE
YearFirst dateLast date
19821982-04-241982-09-10
19851985-04-291985-08-09
19881988-05-251988-10-14
19891989-06-061989-10-01
19901990-04-221990-09-25
19921992-04-301992-10-01
19931993-05-131993-08-24
19941994-05-171994-09-19
19951995-06-011995-09-05
19991999-07-121999-09-01
20012001-04-282001-09-05
20062006-05-222006-09-14
20072007-05-092007-09-29
20082008-06-302008-08-31
20092009-06-262009-09-19
20102010-05-282010-08-27
20112011-06-292011-10-05
20122012-05-172012-09-10
20132013-05-132013-09-06
20142014-05-232014-09-26
20152015-06-262015-10-10
20162016-05-052016-08-28
20172017-05-132017-09-11
20182018-05-232018-08-18
20212021-06-032021-10-05
20222022-06-182022-09-19
20242024-06-232024-09-28
20252025-05-102025-08-14
20262026-05-232026-08-24

Every Fixed Threshold

Fixed thresholds at Harvey 4NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2967198828
35 C (95 F): Days243019887
40 C (104 F): Days1219882
90 F (32.2 C): Days2946198817
100 F (37.8 C): Days81219882
0 C (32 F): Ice days (max29127201346
0 C (32 F): Frost days (min311972013117
-10 C (14 F): Days with min31126201348
-20 C (-4 F): Days with min3157201317
-30 C (-22 F): Days with min281619892
-40 C (-40 F): Days with min1120091
20 C (68 F): Tropical nights (min261519882
10 mm (0.39 in): Days with 10 mm or more rain532120089
25 mm (0.98 in): Days with 25 mm or more rain47819627
50 mm (1.97 in): Days with 50 mm or more rain15219631
100 mm (3.94 in): Days with 100 mm or more rain1119991
10 cm (3.9 in): Days with 10 cm or more snowfall27719672
25 cm (9.8 in): Days with 25 cm or more snowfall3219661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Harvey 4NE threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).